Issue #3464209 by Project Update Bot, welly: Automated Drupal 11 compatibility...

Issue #3464209 by Project Update Bot, welly: Automated Drupal 11 compatibility fixes for contextual_filter_referer

src/Routing/RefererRouteMatch.php

@@ -154,7 +154,7 @@ class RefererRouteMatch implements ResettableStackedRouteMatchInterface {
    * {@inheritdoc}
    */
   public function getMasterRouteMatch() {
-    return $this->getRouteMatch($this->requestStack->getMasterRequest());
+    return $this->getRouteMatch($this->requestStack->getMainRequest());
   }
 
   /**